swh:1:snp:0f920b1e114986636ba2e45b5c1a83473fb6cf12
Tip revision: 3e594f8fd8b56d6c609b1857ad9b41d057235295 authored by Lars Kotthoff on 16 February 2021, 17:20:03 UTC
version 0.33
version 0.33
Tip revision: 3e594f8
cutoff.R
cutoff.k <- function(attrs, k) {
if(dim(attrs)[1] == 0)
return(character(0))
if(k < 1)
stop("k too small")
if(k > dim(attrs)[1])
k = dim(attrs)[1]
sorted_names = rownames(attrs)[do.call(order, c(attrs, decreasing = TRUE))]
return(sorted_names[1:k])
}
cutoff.k.percent <- function(attrs, k) {
if(dim(attrs)[1] == 0)
return(character(0))
if(k <= 0)
stop("k too small")
if(k > 1) {
warning("Assumed k=1")
k = 1
}
sorted_names = rownames(attrs)[do.call(order, c(attrs, decreasing = TRUE))]
return(sorted_names[1:round((k * length(sorted_names)))])
}
cutoff.biggest.diff <- function(attrs) {
if(dim(attrs)[1] == 0)
return(character(0))
else if(dim(attrs)[1] == 1)
return(dimnames(attrs)[[1]])
perm = order(attrs[,1], decreasing = TRUE)
attrs = attrs[perm, , drop = FALSE]
intervals = sapply(1:(dim(attrs)[1] - 1), function(idx) {
attrs[idx, 1] - attrs[idx + 1, 1]
})
return(dimnames(attrs)[[1]][1:(which.max(intervals))])
}